in a vacuum
常用于比喻,表示与周围环境或影响因素隔离。
No decision is made in a vacuum.
没有决策是在真空中做出的。
真空;空间;真空吸尘器
vacuums — plural of vacuum
不含物质的空间区域。;在容器中,如蒸汽机的冷凝器中,空气或蒸汽几乎被抽空,压力低于大气压的状态。;具有零张量的时空。;量子场或局部时空的基态,或更抽象地说,系统的最低能量状态。;因失去亲近的人或职业而在生活中产生的空虚。
the absence of matter; a region that is devoid of matter; an electrical home appliance that cleans by suction
不含物质的空间区域。
A region of space that contains no matter.
在容器中,如蒸汽机的冷凝器中,空气或蒸汽几乎被抽空,压力低于大气压的状态。
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
具有零张量的时空。
A spacetime having tensors of zero magnitude.
量子场或局部时空的基态,或更抽象地说,系统的最低能量状态。
A ground state of a quantum field or of local spacetime, or more abstractly the lowest-energy state of a system.
因失去亲近的人或职业而在生活中产生的空虚。
An emptiness in life created by a loss of a person who was close, or of an occupation.
一种将腹部向脊柱方向收紧的锻炼。
An exercise in which one draws their abdomen towards the spine.
Sound cannot travel through a vacuum.
声音不能在真空中传播。
用法提示:此处vacuum为名词,意为“真空”。
I need to buy a new vacuum because the old one broke.
我需要买一个新的吸尘器,因为旧的坏了。
用法提示:此处vacuum为名词,意为“真空吸尘器”。
She vacuumed the living room before the guests arrived.
她在客人到达之前用吸尘器打扫了客厅。
用法提示:此处vacuumed为动词vacuum的过去式,意为“用吸尘器打扫”。
常用于比喻,表示与周围环境或影响因素隔离。
No decision is made in a vacuum.
没有决策是在真空中做出的。
表示缺乏或空缺,常与抽象名词搭配。
There is a vacuum of leadership in the organization.
该组织领导层出现真空。
及物动词,后接被清洁的表面或物体。
She vacuumed the living room yesterday.
她昨天用吸尘器打扫了客厅。
主要用于英式英语,可作为普通名词使用,但注意是商标名,正式场合可能需注明
非正式用语,多见于口语,不用于正式写作
grammar · medium
易错句子I need to use a vacum to clean the floor.
正确表达I need to use a vacuum to clean the floor.
拼写错误:vacuum 中有两个 u,少写一个 u 是不正确的。注意单词拼写为 v-a-c-u-u-m。
grammar · medium
易错句子Yesterday I vacumed the living room.
正确表达Yesterday I vacuumed the living room.
动词过去式错误:vacuum 的过去式是 vacuumed,而不是 vacumed。注意双写 u 再加 ed。
grammar · medium
易错句子I bought vacuum yesterday for cleaning.
正确表达I bought a vacuum yesterday for cleaning.
冠词遗漏:vacuum 作“真空吸尘器”解时是可数名词,前面需要加冠词 a 或 the。中文中无冠词,容易遗漏。
与真空相对,指占据空间的实际物质
物理学术语,与真空相对,指空间被物质完全填满
void强调无人或情感上的空虚,而vacuum指物理上无物质的真空或吸尘器
vacancy指可被填补的空缺位置或空房,vacuum指真空状态或吸尘器
真空吸尘器
I need to buy a new vacuum cleaner.
我需要买一个新的真空吸尘器。
真空泵
The laboratory uses a vacuum pump for experiments.
实验室用真空泵做实验。
真空室
The spacecraft was tested in a vacuum chamber.
航天器在真空室中进行了测试。
用吸尘器吸地毯
She vacuumed the carpet thoroughly.
她彻底用吸尘器吸了地毯。
真空包装
Vacuum packing keeps food fresh longer.
真空包装使食物保鲜更久。
在真空中;与世隔绝地
No decision is made in a vacuum.
任何决定都不是在真空中做出的。
与世隔绝,孤立地
Decisions cannot be made in a vacuum.
决策不能孤立地做出。
权力真空,权力空缺
The sudden resignation created a power vacuum.
突然辞职造成了权力真空。
道德真空,道德缺失
The scandal revealed a moral vacuum in the organization.
丑闻揭露了该组织存在道德真空。
Dictionary facts from ECDICT, WIKTIONARY.